Click on 'Close' and press 'Reload' when prompted. Now go to Applications - Accessories - Terminal.

Set the Source - Lucid and later

Add the repository by going to Applications - Accessories - Terminal and enter the following:

sudo add-apt-repository ppa:pcf/miro-releases

Install Miro Package

Update the apt cache with

sudo apt-get update

Install the program with

sudo apt-get install miro

Once complete you now need to reboot the PC and a menu shortcut will be generated (Applications - Sound and Video - Miro Internet TV).

Codecs

Make sure you have installed the restricted-extras for your version of Ubuntu. In Applications - Accessories - Terminal you can get these as follows, provided you have the multiverse repository activated, (in Software Sources, Ubuntu Software Tab it's shown as 'Software restricted by copyright or legal issues)

for Ubuntu: sudo apt-get install ubuntu-restricted-extras

for Kubuntu: sudo apt-get install kubuntu-restricted-extras

for Xubuntu: sudo apt-get install xubuntu-restricted-extras

These packages may not be available or restrictions on their use may be made for certain countries.